000			00325nam a2200145Ia 4500
005			20250603144907.0
008			250603s9999 xx 000 0 und d
020			_a9788121908597
050			_aQH 541 .V47/
100			_aVerma, P. S.
245		0	_aEnvironmental biology
260			_c2013
300			_a591 p
942			_cBK
999			_c40264 _d40264